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Stepper motors provide great features such as low cost, yet they
have a drastic drop in torque at high speeds and heavy current
consumption when stopped. The TRANSERVO by YAMAHA
eliminates all these problems by adopting an innovative vector
control method. In effect, the TRANSERVO delivers the same
functions of a servomotor but using a lower cost stepper motor.
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The TRANSERVO moves heavy payloads faster than
typical steppers with conventional controls.
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Control is basically the same as a servo motor so power consumption is kept to a minimum, which saves energy.
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The resolver used for detecting the motor position is the
same reliable resolver as used in our high-end robots.
Resolvers offer stable position detection even in harsh
environments containing dust or oil, etc. Additionally,
the resolution of the resolver is 20,480 pulses per one
revolution.
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A newly developed rail guide is employed, with a 4-row
circular-groove guide system, built into a very compact
actuator.
The guide maintains a satisfactory rolling movement with
minimal ball differential slip. The rugged design ensures
long life.
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